Reports in the local media say the injured were both shot and stabbed.
None are described as having life-threatening injuries.
Is it still ongoing?
The university says a shelter-in-place warning has been lifted and the scene is now secure.
The nine victims were taken to local hospitals, according to a spokeswoman from Columbus Fire Department.
One person was in a critical condition, the others are described as “stable”.
The nature of their injuries is not known.
Local TV station WBNS, citing law enforcement agencies, says a suspected attacker was shot dead.
How the attack unfolded
Local media say the attack began when a person armed with a gun and another individual with a knife got out of a sport utility vehicle at the university’s engineering building.
Columbus police say they are assisting university law enforcement.
University represenatives did not immediately return calls. (Euronews)
BREAKING: Hospitals say they are treating 8 patients from Ohio State University attack, none have life-threatening injuries.— The Associated Press (@AP) 28 novembre 2016
UPDATE 1/2 : Shelter in Place lifted. Scene is now secure. ALL classes are canceled on Columbus campus for the remainder of the day.— OSU Emergency Mngmnt (@OSU_EMFP) 28 novembre 2016
Ohio's thoughts and prayers go out to the Ohio State community. Be safe, listen to first responders. https://t.co/5qtfH3Fb6d— John Kasich (@JohnKasich) 28 novembre 2016
Facebook has activated Safety Check. Please mark yourself if you are safe!— Jimmy Kinderdine (@JKinderdine) 28 novembre 2016
Buckeye Alert: Active Shooter on campus. Run Hide Fight. Watts Hall. 19th and College.— OSU Emergency Mngmnt (@OSU_EMFP) 28 novembre 2016